Universal physics of three bosons with isospin - INSPIRE

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Universal physics of three bosons with isospin

Tetsuo Hyodo
(
- Tokyo Inst. Tech. and
- Kyoto U., Yukawa Inst., Kyoto
)
,
Tetsuo Hatsuda
(
- Nishina Ctr., RIKEN and
- Tokyo U., IPMU
)
,
Yusuke Nishida
(
- Tokyo Inst. Tech.
)

Nov 25, 2013

5 pages

Published in:

Phys.Rev.C 89 (2014) 3, 032201

Published: Mar 7, 2014

e-Print:

1311.6289 [hep-ph]

DOI:

10.1103/PhysRevC.89.032201

Report number:

YITP-13-121,
RIKEN-QHP-106

View in:

reference search13 citations

Citations per year

Abstract: (APS)

We show that there exist two types of universal phenomena for three-boson systems with isospin degrees of freedom. In the isospin symmetric limit, there is only one universal three-boson bound state with the total isospin one, whose binding energy is proportional to that of the two-boson bound state. With large isospin symmetry breaking, the standard Efimov states of three identical bosons appear at low energies. Both phenomena can be realized by three pions with the pion mass appropriately tuned in lattice QCD simulations, or by spin-one bosons in cold atom experiments. Implication to the in-medium softening of multi-pion states is also discussed.

Note:

5 pages, 3 figures

67.85.Fg
21.65.Jk
11.30.Rd
03.65.Ge
boson: interaction
boson: bound state
binding energy
few-body problem
isospin: 1
isospin: symmetry breaking

References(19)

Figures(3)

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